232221021131 has 8 divisors (see below), whose sum is σ = 255840262128. Its totient is φ = 209019820000.

The previous prime is 232221021077. The next prime is 232221021143. The reversal of 232221021131 is 131120122232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232221021131 is a prime.

It is a super-2 number, since 2×232221021131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232221020131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104508800 + ... + 104511021.

It is an arithmetic number, because the mean of its divisors is an integer number (31980032766).

Almost surely, 2^232221021131 is an apocalyptic number.

232221021131 is a deficient number, since it is larger than the sum of its proper divisors (23619240997).

232221021131 is a wasteful number, since it uses less digits than its factorization.

232221021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209019933.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 232221021131 its reverse (131120122232), we get a palindrome (363341143363).

The spelling of 232221021131 in words is "two hundred thirty-two billion, two hundred twenty-one million, twenty-one thousand, one hundred thirty-one".